Holocaust Remembrance Day

Jacek Bednarczyk / European Pressphoto Agency

Piotr Cywinski, director of the Auschwitz-Birkenau Memorial and Museum, lays a wreath at the crematorium furnace during ceremonies marking the 64th anniversary of the liberation of former Nazi death camp Auschwitz in Oswiecim, Poland. In 2005, the United Nations General Assembly declared Jan. 27 to be International Holocaust Remembrance Day.

Piotr Cywinski, director of the Auschwitz-Birkenau Memorial and Museum, lays a wreath at the crematorium furnace during ceremonies marking the 64th anniversary of the liberation of former Nazi death camp Auschwitz in Oswiecim, Poland. In 2005, the United Nations General Assembly declared Jan. 27 to be International Holocaust Remembrance Day. (Jacek Bednarczyk / European Pressphoto Agency)

Eva Djordjevic, who last saw her father at the Topovske Supe concentration camp in Belgrade, Serbia, takes part in a remembrance ceremony there to mark Holocaust Remembrance Day.

Eva Djordjevic, who last saw her father at the Topovske Supe concentration camp in Belgrade, Serbia, takes part in a remembrance ceremony there to mark Holocaust Remembrance Day. (Srdjan Ilic / Associated Press)